3874860991 has 8 divisors (see below), whose sum is σ = 4050989280. Its totient is φ = 3706377136.

The previous prime is 3874860959. The next prime is 3874861031. The reversal of 3874860991 is 1990684783.

It is not a de Polignac number, because 3874860991 - 2⁵ = 3874860959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3874860191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147070 + ... + 171403.

It is an arithmetic number, because the mean of its divisors is an integer number (506373660).

Almost surely, 2^3874860991 is an apocalyptic number.

3874860991 is a deficient number, since it is larger than the sum of its proper divisors (176128289).

3874860991 is an frugal number, since it uses more digits than its factorization.

3874860991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318542 (or 318496 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 3874860991 is about 62248.3814327730. The cubic root of 3874860991 is about 1570.6715440277.

The spelling of 3874860991 in words is "three billion, eight hundred seventy-four million, eight hundred sixty thousand, nine hundred ninety-one".